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. 1980 Apr;65(4):587-90.
doi: 10.1104/pp.65.4.587.

Adenosine Phosphate and Nicotinamide Adenine Dinucleotide Pool Sizes during Shoot Initiation in Tobacco Callus

D C Brown  1 , T A Thorpe
Affiliations

Adenosine Phosphate and Nicotinamide Adenine Dinucleotide Pool Sizes during Shoot Initiation in Tobacco Callus

D C Brown et al. Plant Physiol. 1980 Apr.

Abstract

Shoot-forming tobacco callus is found to have high levels of adenosine phosphates and NAD(+), and a low energy charge during meristemoid and shoot primordium formation. NADH levels are low and show little change during this period. There is a decline in the content of NADPH to nondetectable levels during the process, and a transient increase of NADP(+) is observed early in culture. These patterns are indicative of a shift to a more intensive rate of metabolism during meristemoid and shoot primordium formation and apparently reflect the requirement for energy and reducing power during organ initiation.

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